Oil burner



June 12, 1934. s- DARLlNG 1,962,553

OIL BURNER Filed May 8, 1935 2 Sheets-Sheet l S. DARLING June l2, 1934.

OIL BURNER Filed May 8, 1933 2 Sheets-Sheet 2 Invenor '/Z'i f1 llorney l Z O m o o o a OME /o a nm, o of@ o 0 o MO 2Q i@ O Z a. C j

` Patented June 12, 1934 UNITED STATES PAT-ENT OFFICE OIL BURNER Application May 8, 1933, Serial No. 669,999

3` claims.

This invention has reference to improvements in fuel burning apparatus and more particularly to apparatus for burning-fuel oil and the like.

More particularly the invention has reference to means for preheating and. igniting the oil, and the object of the invention is to provide an igniting and preheating device for fuel oil burners of various kinds designed for installation to domestic ranges and which will provide for a preheating of the oil as well as for ignition thereof in a manner to eliminate the disagreeable and obnoxious odor which is at the present time an undesirable feature of oil burners now in use.

Further, in accordance with the present invention means is provided whereby the heating of the burner, and the ignition of the oil are effected in a minimum amount of time; and which will not require an expert operator to place the burner in operation.

Further the invention comprehends the provision of an electrical heating device for use with burners of the character above mentioned and which is of comparatively simple construction and can be applied to the burner without the necessity of alterations being made thereto.

The inventiontogether with its numerous objects and advantages will be best understood from a study of the following description taken in connection with the accompanying drawings where- Figure 1 is a plan view of the electrical heating and igniting device.

Figure 2 is an end elevational view thereof.

Figures 3 and 4 are sectional views taken substantially on the line 3-3 Vand 4-4 respectively of Figure 1.

Figure 5 is a fragmentary plan view of a band.

Figure 6 is a plan view of a terminal strip.

Figure l isa plan view of a burner illustrating 4o the application of the invention, and

Figure 8 is a fragmentary sectional elevational view of a burner with parts broken away and showing the application of the invention.

In the drawings I have shown the electrical heating and igniting device as applied to a more or less conventional type of oil burner that is especially adapted for use in connection with stoves and ranges .whereby fuel oil may be used in place of coal. In the present instance the burner includes the inner and outer concentric fuel receiving troughs 10 and 11 respectively; the space 12 between the trough, and the usual perforated sleeves 13 which are applied respectively to the inner and outer lips with which each of the troughs 10 and 11 are provided, and which sleeves,

as is well known, provide annular combustion chambers.

The improved electrical heating 'and igniting device comprises, in the preferred embodiment thereof, a split band 14 formed of a flexible me- 60 tallic material or any other suitable material,` and in actual practice the ends 15, 16 of the band are bent laterally and are suitably apertured to acn commodate bolt and nut means 17 for connecting the ends of the band and for securing the band contracted about one of the sleeves 13, in the present instance the innermost one of the pair of intermediate sleeves 13 as shown in Figures .7

and 8.

A series of porcelain blocks 18 are secured at 70 one end to the band 14 as at 19 and the blocks 18 are relatively spaced as shown in Figure 1. At their free ends the blocks 18 are apertured to accommodate an electrical heating element 20 in the form of a coiled wire.

Spot welded or otherwise secured to the band 14 adjacent the ends 15, 16 thereof are vertical terminal strips 21 which are preferably formed of the same material from which the band 14 is formed. .The ends 22 of the coil 20 extend along the terminal strips 21 and are attached to the angularly disposed ends 23 of the strips through the medium of binding posts 24. 'Ihus the current is supplied to the coil from leads (not shown) connected with the binding posts 24 which latter are insulated from the ends 23 of the strips 21 through the medium of insulation strips 25. (See Figure 4.)

The ends 22 of the coil 20 are encased in tubes 26 of asbestos or other suitable material.

In actual practice and as shown in Figures 8 and 9 the device is arranged on the oil burner so as to position the heating coil 20 above the air space 12 between the troughs 10 and 11, and in this connection it will be noted that the band 14 is disposed concentrcally about the perforated sleeve v13 that rises from the wall of the inner trough 10 adjacent to the space 12. The terminal strips 21 extend downwardly through the space 12 below the bottom of the base of the burner. The band 14 is tightened about the said sleeve 13 through the medium of the bolt and nut means 17, and the coil 20 is thus supported concentric to the said sleeve 13 in sufficient proximity to the troughs 10 and 11 for heating both the bottom and side walls of the troughs to the desired degree for obtaining full flame and combustion as well as for preheating the fuel.

It will be understood that the heating and igniting device when applied to the burner will in feeding of the troughs er with the provision of the 'oer draft for the burner.

7intiius described my invention, what E cla n as new is:

l. :i liquid fuel burner including in combination spaced concentric vaporizing troughs, combustion sleeves rising from 'the walls oi' the troughs and forming inner and outer combustion chambers with intermediate air chamber, a band encircling one of said sleeves forming a wall for the air chamber; elements formed of non-conducting material secured to said band, and an electric heating element supported by said non-conducting elewients.

heating device for fuel oil burners comprising a cand formed of a single niet-e oi flexible '.naterial, a plurality of relativeiy spaced blocks non-conducting material, each secured at one Lacasse end to said band, and said blocks having apertures the iree ends thereof, an electric heating ciment extending through the apertures :in said iclocks.

a heating device ci' the character described, a split supporting band formed of a single piece oi flexible material, means connecting the ends of the band formed by said split, a plurality of relatively spaced apertured porcelain blocks, eacli secured at one end to said band, the aper tures being in t'ne free ends of the blocks, elongated terminal strips secured at one end to the aand at opposite sides of the split therein, termi nal posts carried ey and insulated from said strips, and a resistance coil extending through the apertures in the porcelain blocks and having its relativenT opposite ends connected with said binding posts.

.SAMUEL llliRLINC-g 

